Synapse 0.18.5 released!

Hi folks,

We released synapse 0.18.5 on Friday.  This is mainly about fixing performance problems with the unread room counts and the public room directory; polishing the E2E endpoints based on beta feedback; and general minor bits and bobs.

Get it whilst it's (almost) hot from https://github.com/matrix-org/synapse!  Changelog follows:

Changes in synapse v0.18.5 (2016-12-16)

Bug fixes:

• Fix federation /backfill returning events it shouldn't (PR #1700)
• Fix crash in url preview (PR #1701)

Changes in synapse v0.18.5-rc3 (2016-12-13)

Features:

• Add support for E2E for guests (PR #1653)
• Add new API appservice specific public room list (PR #1676)
• Add new room membership APIs (PR #1680)

Changes:

• Enable guest access for private rooms by default (PR #653)
• Limit the number of events that can be created on a given room concurrently (PR #1620)
• Log the args that we have on UI auth completion (PR #1649)
• Stop generating refresh_tokens (PR #1654)
• Stop putting a time caveat on access tokens (PR #1656)
• Remove unspecced GET endpoints for e2e keys (PR #1694)

Bug fixes:

• Fix handling of 500 and 429's over federation (PR #1650)
• Fix Content-Type header parsing (PR #1660)
• Fix error when previewing sites that include unicode, thanks to @kyrias (PR #1664)
• Fix some cases where we drop read receipts (PR #1678)
• Fix bug where calls to /sync didn't correctly timeout (PR #1683)
• Fix bug where E2E key query would fail if a single remote host failed (PR #1686)

Changes in synapse v0.18.5-rc2 (2016-11-24)

Bug fixes:

• Don't send old events over federation, fixes bug in -rc1.

Changes in synapse v0.18.5-rc1 (2016-11-24)

Features:

• Implement "event_fields" in filters (PR #1638)

Changes:

• Use external ldap auth package (PR #1628)
• Split out federation transaction sending to a worker (PR #1635)
• Fail with a coherent error message if /sync?filter= is invalid (PR #1636)
• More efficient notif count queries (PR #1644)